Utku Coşar

T: +90 212 334 6080 |  E: utku.cosar@cosar.av.tr


Georgetown University – LL.M. Master of Laws, 1999

Georgetown University – LL.M. Master of International Legal Studies, 1998

Marmara University – LL.B., 1996

Memberships and Qualifications:

Fellow of the Chartered Institute of Arbitrators.

Member of the Editorial Board of the ICC Dispute Resolution Journal.

Member of the ICCA Publications Advisory Board.

Member of the Editorial Board of the “Dispute Resolution International” Journal by the Dispute Resolution Section of the Legal Practice Division of the International Bar Association.

Member of the Georgetown European Law Alumni Advisory Board.

Ranked as a Band 1 lawyer for dispute resolution by Legal 500 and Chambers for the past ten years.

“Sources describe Utku Coşar as “an exceptional talent” in dispute resolution who stands out due to her “incredible diligence and commitment to excellence and going the extra mile.” She regularly represents clients in Turkish trial and appeal courts and is viewed as “one of the leading if not the leading arbitration expert in Turkey.” – Chambers Global

“Coşar is ‘top notch – she is very smart and relentlessly dedicated to her cases, and is a leading arbitrator in Turkey’.’” – Legal 500

Member of the American Bar Association, International Bar Association, New York State Bar Association, Istanbul Bar Association, London Court of International Arbitration’s European Users’ Council and International Council for Commercial Arbitration.


Istanbul, 1998; New York, 2002


Handbook on Third-Party Funding in International Arbitration, Turkey chapter, Nikolaus Pitkowitz (ed), published by Juris Publishing (2018).

Freezing and Attaching Assets, Turkey chapter (co-authored with Suat Sarı), Jorgensen (ed), published by Kluwer Law International (2016).

“Claims of Corruption in Investment Treaty Arbitration: Proof, Legal Consequences and Sanctions,” Legitimacy: Myths, Realities, Challenges, ICCA Congress Series No. 18, van den Berg (ed), published by Kluwer Law International (2015).

“Annex ID to the Energy Charter Treaty: Limitation on Consent to International Arbitration,” The Turkish Commercial Law Review, Vol. 1, No. 1 (February 2015).

“Kılıç İnşaat v Turkmenistan: The Effect of the Local Litigation Requirement and the Scope of MFN Treatment,” Dispute Resolution International, Vol. 8, No. 2 (October 2014).

IBA Arbitration Guides, Turkey chapter, online resource published by the International Bar Association’s Arbitration Committee (2012). Read here.

Privilege and Confidentiality: An International Handbook, Turkey chapter (co-authored with Suat Sarı), published by the International Bar Association (2006, 2012).

Rowley & Baker: International Mergers – The Antitrust Process, Turkey chapter (co-authored with Murat İlker after 2011), published by Sweet & Maxwell. Updated annually.

Global Arbitration Review Special Report – The European & Middle Eastern Arbitration Review, Turkey chapter. Updated annually. Read here.

Global Arbitration Review Litigation Know-How, Turkey chapter, online publication. Updated annually. Read here.

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